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Nokia 4A0-102 Exam - Topic 4 Question 50 Discussion

Click the exhibit.When router A receives the BGP update for the 192.168.0.1/27 prefix, it propagates it to routers B and C. What action is taken by router B when it receives the update?
B) Router B propagates the BGP update to router D
A) Router B propagates the BGP update to routers D and C
C) Router B detects duplicates in its BGP database and discards the update.
D) Router B propagates the update to routers A, C and D

Nokia 4A0-102 Exam - Topic 4 Question 50 Discussion

Actual exam question for Nokia's 4A0-102 exam
Question #: 50
Topic #: 4
[All 4A0-102 Questions]

Click the exhibit.

When router A receives the BGP update for the 192.168.0.1/27 prefix, it propagates it to routers B and C. What action is taken by router B when it receives the update?

Show Suggested Answer Hide Answer
Suggested Answer: B

by Fabiola at Feb 13, 2024, 02:32 PM

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Fernanda
6 months ago
I agree with A, but I’m not sure about the duplicates part.
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Tawna
6 months ago
Wait, can router B really discard updates? That seems odd.
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Gabriele
7 months ago
Definitely option A, that's how BGP works!
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Crissy
7 months ago
I think it only sends it to router D, right?
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Sabra
7 months ago
Router B will propagate the update to routers D and C.
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Ronny
7 months ago
I’m leaning towards option D, but I’m confused about whether router B would send the update back to router A or not.
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Shaun
8 months ago
I feel like router B might discard the update if it already has that prefix in its BGP database, but I can't recall the exact rules for that.
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Meghan
8 months ago
I remember a similar practice question where a router had to decide whether to propagate an update or discard it. I think it was about detecting duplicates.
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Lynette
8 months ago
I think router B should propagate the update to routers D and C, but I'm not entirely sure if it would send it back to router A as well.
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Weldon
8 months ago
I'm confident I can solve this. The key is understanding that router B should not propagate the update back to the originating router, A, and should only send it to the other neighbors.
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Tegan
8 months ago
Okay, I think I've got this. When router A sends the BGP update, router B should propagate it to the other routers it's connected to, but not back to router A.
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Eveline
8 months ago
Hmm, I'm a bit unsure about this one. I'll need to review my BGP knowledge to make sure I understand how updates are handled and propagated between routers.
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Genevive
8 months ago
This looks like a standard BGP update propagation question. I'll need to carefully consider the network topology and BGP behavior to determine the correct action taken by router B.
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Alison
8 months ago
This seems like a classic Monte Carlo simulation problem. I'll need to model the probability distributions for each task and run multiple iterations to get the overall project duration.
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Mira
8 months ago
Hmm, I'm a bit confused by the wording here. I'll need to make sure I understand the difference between the various tools mentioned.
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Kandis
2 years ago
I agree with Ria, C) Router B detecting duplicates seems like the correct action
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Ashanti
2 years ago
Hmm, that makes sense. But I think it could also be A) Router B propagates the BGP update to routers D and C
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Ria
2 years ago
I believe the answer is C) Router B detects duplicates in its BGP database and discards the update
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Ashanti
2 years ago
What do you think the answer is for this question?
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Pilar
2 years ago
I agree with Eden, router B should propagate the update to routers D and C for better network efficiency.
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Fletcher
2 years ago
I think router B detects duplicates in its BGP database and discards the update.
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Cherry
2 years ago
I believe router B propagates the BGP update to router D.
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Eden
2 years ago
I think router B propagates the BGP update to routers D and C.
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